Reed for looms



G; BECKERS AND FILE HANNE.

. REED FOR Looms. APPLICATION FPLED .i'AN.27; I9l 5- RENEWED APR. 24,1920.

is subject of the King otPrussia, residin Patented Uct; Lil, i922,

rar r-n,

enstrav :encirnas, orcnnrntn, Ann rnrcrz Ln Hanna, or snnaarn, rinaa DUSSEL- near, GERMANY. j

nnnnnon, LOOMS.

hpplieationfiled January 27,1915, fierialrio. 752. *Itenewed April 534, 1920. filerial No. 376,431.

To allw/wm it mat 0011027 71,: i Be it known that we, GUsTAv Because, a (.reield, Germany, and Fairy, Lnl-lANNrna subject of the King of Prussia, residing at Benrath, near Dusseldorf, Ger1nany,have ina vented a new and iiselul Feed to]: Looms, of i which the following is a specification;

The invention relates to mprovements in reedsifor looms of the; type whlch enclude two sets of dents, all ofwhich are operative on the weft during the beating up move ,mentot the lay beam, but one setot Which is separated from the other during the plcking and shedding operation. By such an arrangement the warp isrelieved of a certain amount of wear which. would result 11 all 01 the dents thatare operative in the .beating up motion were moved thereover to the same extent during the; shedding ()PQliltlOll.

provement upon the reed, Ofytllfi same gen- 1: eral type, heretofore invented by us and. disclosed in. British PatentNopQSdiQii of 1913. According to thepresent invention the movable dentsof the reed are of E-B-shape,

that is havetheir ends curved in opposite directions and extend across the plane of the fixed dents. The ends of the several movable dents are connected by suitable bars so that while they are free to move in the spaces between the fixed dents, the two sets of dents are permanently interlocked.

The accompanying drawing illustrates a preferred form of reed construction in ac cordance with the invention. In said drawmg: i i a Figure 1 is a front elevation:

Figure 2 is a vertical section, showing the several par s in the positions occupied while forming the shed, the slay solearid cap being also illustrated Figure 3 is a vertical. section showing); the

positions of the several elements of the reed. during the beating up movement;

lligure lis a transverse section on the line A-B of Figure 1. a a a Referring to the drawing" the reed comprises a set of straight, relatively fixed, or

stationary, dents a and a series ofauxiliary, movable, curved dents b. The fixed dents a are, as usual, fastened to bars P which are arranged in a frame including top and bottom strips E and end strips 0. The

auxiliary, or relatively movable, dents b in Figure ,4, which extend over the rear faces frame of the fixed dents.

fixed, straight, dents 0; is positively moved by the loom beam but the movable dentsare are similarly connected with a "frame Comprising bars strips n, and end members (1. Thelatter members are provided; with blocks f, of the cross sectional form shown i of the end strips 0 of the fixed dent frame.

The connection between the blocks 7 and tra ns .members (Z is indicated at g in Figure 4-. i i i l Thelower strip it ofthe frameofthe auxiliary, movable, curved dents?) rests on bracketsextending rearward from the lower frame strip E and terminating in upwardly extending flanges r. i Projections or studs hwon the end strips 0 extend through slots H int-he projections ft of the blocks 7 in rear of said strips and assist in supporting the dents b aswell as; I n tOQJHClB them durlng the separation that Specifically the present lnventionxis an imoccurs in the shedding movement. Theex- .75

tent of separationof the two series of dents,

the blocks f with the end strips c of the ficrewbolts extend rearward from the side strips 0 of the frame of the fixed dents, I through. the flange f of the blocks fend about said bolts, between nuts m thereon,"

a and the flange 7, are arranged coiled springs Z. It will be seen that by the relative movement between the two series of dents duringthe beating up operation the springs Z will be slightly compressed and will assistin separating the auxiliary dents from the fixed dents as the beam moves in the shedding operation.

While the reed is moving in the direction of the arrow P (Fig. 2) during the formation of the shed, the frame carrying the restrained from such movement by therubhing action of the warp threads thereon,

which restraining action tends to separate the two sets of dents as illustrated inFigure 9 This separation is initially assisted by the action of the springsl.

This separation of the two series of dents permits-the complete reed to move quite freely during the shedding operation and provides spaces of maximum width between the several dents, thus affording free pas sage for the warp threads, knots and thickened parts thereof, so that danger of damage to the threads during theshedding oper ation is prevented.

During the shedding operatioi'l. theretor the two series of dents will he separaterfl, or the portions of the movable auxiliary, dents engaged by the warp drawn out of the spaces between the lined straight dents and the flanges r on the brackets attached to the lower strip E of the :trame of the fixed dents moved away from contact with the strip a connecting the lower, rearward, ends oi the movable dents, as shown in Figure 2.

. When the beam moves vtorward in the direction ot'arrow P (Figure 3) during the beating up operatiomthe frame of the straight dents, and said dents, will be first carried forward substantially alone or more rapidly than the movable dents until the bodies of the movable dents are again in the spaces between the fixed dents and the flanges 7* contact with the strips it. Thereafter the two sets of dents move together so that all of the dents are caused to act upon the weft and effect a close weave.

WVhile portions of the curved dents are always extending through the spaces be- I tween the straight dents and the two series can not be entirely disconnected, it will be seen that the warp engaging portions of the two series will be automatically separated during the shedding operation while all of them will be operative during the beating up. 7

Havingthus described the invention what is claimed is: V

1. A reed for looms comprising a series 'of relatively straight dents, a second series of dents-adapted to move transversely through the spaces between the straight dents and having their ends curved 1n opposite directions, and means For guiding the curved dents in their movement relative to the straight dents.

2. A. reed for looms comprising a series ol relatively straight dents, a Frame therefor, a second series of dents having their ends extending in opposite directions through the spaces between the straight dents, means to cause said dents to automatically pass out of the spaces between the straight dents during backward movement of the lay. and means for supporting and guiding said second series of dents whereby they may reenter said spaces during beating up movement of the reed.

3. In a reed for looms, in combination, a framed set of straight dents and a framed set of dents curved to S-shape, said curved dents passing through the interstices between the straight dents.

t. In a reed for looms, in comhinatnm. a trained set of straight dents, another framed set of dents curved to S-shapc, said curved set oi? dents being adapted to move across the set or straight dents and guides fixed to the "frame of the movable set of dents above its center of gravity.

5. In a reed ior looms, in combination, a framed set of straight dents, another framed set of S-shaped dents, the S-shaped dents being adapted to move across the plane of the straight dents and stops at the iran'ie oi the straight dents limiting said motion of: the curved dents.

In witness whereof we have hereunto set ourhands in the presence of two witnesses.

GUSTAV BEGKERS. FRITZ LE I-IANNE. lVitnesses RICHARD STRAAF,

(ill 

